quda::BiCGstab Class Reference

#include <invert_quda.h>

Inheritance diagram for quda::BiCGstab:

Collaboration diagram for quda::BiCGstab:

Public Member Functions
	BiCGstab (DiracMatrix &mat, DiracMatrix &matSloppy, DiracMatrix &matPrecon, SolverParam &param, TimeProfile &profile)
virtual	~BiCGstab ()
void	operator() (ColorSpinorField &out, ColorSpinorField &in)
Public Member Functions inherited from quda::Solver
	Solver (SolverParam &param, TimeProfile &profile)
virtual	~Solver ()
virtual void	blocksolve (ColorSpinorField &out, ColorSpinorField &in)
bool	convergence (double r2, double hq2, double r2_tol, double hq_tol)
bool	convergenceHQ (double r2, double hq2, double r2_tol, double hq_tol)
	Test for HQ solver convergence – ignore L2 residual. More...
bool	convergenceL2 (double r2, double hq2, double r2_tol, double hq_tol)
	Test for L2 solver convergence – ignore HQ residual. More...
void	PrintStats (const char *name, int k, double r2, double b2, double hq2)
	Prints out the running statistics of the solver (requires a verbosity of QUDA_VERBOSE) More...
void	PrintSummary (const char *name, int k, double r2, double b2, double r2_tol, double hq_tol)
	Prints out the summary of the solver convergence (requires a verbosity of QUDA_SUMMARIZE). Assumes SolverParam.true_res and SolverParam.true_res_hq has been set. More...
void	constructDeflationSpace (const ColorSpinorField &meta, const DiracMatrix &mat, bool svd)
	Constructs the deflation space. More...
virtual double	flops () const

Private Attributes
DiracMatrix &	mat
const DiracMatrix &	matSloppy
const DiracMatrix &	matPrecon
ColorSpinorField *	yp
ColorSpinorField *	rp
ColorSpinorField *	pp
ColorSpinorField *	vp
ColorSpinorField *	tmpp
ColorSpinorField *	tp
bool	init

Additional Inherited Members
Static Public Member Functions inherited from quda::Solver
static Solver *	create (SolverParam &param, DiracMatrix &mat, DiracMatrix &matSloppy, DiracMatrix &matPrecon, TimeProfile &profile)
static double	stopping (double tol, double b2, QudaResidualType residual_type)
	Set the solver L2 stopping condition. More...
Public Attributes inherited from quda::Solver
EigenSolver *	eig_solve
bool	deflate_init = false
std::vector< ColorSpinorField * >	defl_tmp1
std::vector< ColorSpinorField * >	defl_tmp2
Protected Attributes inherited from quda::Solver
SolverParam &	param
TimeProfile &	profile
int	node_parity

Detailed Description

Definition at line 707 of file invert_quda.h.

Constructor & Destructor Documentation

BiCGstab()

quda::BiCGstab::BiCGstab	(	DiracMatrix &	mat,
		DiracMatrix &	matSloppy,
		DiracMatrix &	matPrecon,
		SolverParam &	param,
		TimeProfile &	profile
	)

Definition at line 17 of file inv_bicgstab_quda.cpp.

~BiCGstab()

quda::BiCGstab::~BiCGstab ( )

virtual

Definition at line 22 of file inv_bicgstab_quda.cpp.

References init, pp, quda::Solver::profile, quda::QUDA_PROFILE_FREE, rp, tmpp, tp, vp, and yp.

Member Function Documentation

operator()()

void quda::BiCGstab::operator() ( ColorSpinorField &  out, ColorSpinorField &  in  )

virtual

Implements quda::Solver.

Definition at line 51 of file inv_bicgstab_quda.cpp.

References quda::abs(), quda::blas::caxpbypzYmbw(), quda::blas::caxpbypzYmbwcDotProductUYNormY(), quda::blas::caxpy(), quda::blas::cDotProduct(), quda::blas::cDotProductNormA(), quda::SolverParam::compute_null_vector, quda::conj(), quda::Solver::convergence(), quda::blas::copy(), quda::ColorSpinorParam::create, quda::ColorSpinorField::Create(), csParam, quda::blas::cxpaypbz(), quda::SolverParam::delta, errorQuda, quda::fillInnerSolveParam(), quda::blas::flops, quda::DiracMatrix::flops(), getVerbosity(), quda::SolverParam::gflops, quda::SolverParam::heavy_quark_check, quda::blas::HeavyQuarkResidualNorm(), init, quda::SolverParam::is_preconditioner, quda::SolverParam::iter, quda::TimeProfile::Last(), mat, matPrecon, matSloppy, quda::SolverParam::maxiter, quda::blas::norm2(), omega, quda::Solver::param, quda::SolverParam::pipeline, pp, quda::LatticeField::Precision(), quda::SolverParam::precision_sloppy, quda::SolverParam::preserve_source, printfQuda, quda::Solver::PrintStats(), quda::Solver::PrintSummary(), quda::Solver::profile, QUDA_COMPUTE_NULL_VECTOR_NO, QUDA_COMPUTE_NULL_VECTOR_YES, QUDA_DEBUG_VERBOSE, QUDA_HEAVY_QUARK_RESIDUAL, QUDA_NULL_FIELD_CREATE, QUDA_PRESERVE_SOURCE_NO, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_EPILOGUE, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_PREAMBLE, QUDA_USE_INIT_GUESS_YES, QUDA_VERBOSE, QUDA_ZERO_FIELD_CREATE, quda::reliable(), quda::SolverParam::residual_type, rp, quda::SolverParam::secs, quda::ColorSpinorParam::setPrecision(), quda::sqrt(), quda::Solver::stopping(), tmp, tmpp, quda::SolverParam::tol, quda::SolverParam::tol_hq, tp, quda::SolverParam::true_res, quda::SolverParam::true_res_hq, updateR(), quda::SolverParam::use_init_guess, quda::SolverParam::use_sloppy_partial_accumulator, vp, warningQuda, quda::blas::xmyNorm(), quda::blas::xpy(), quda::blas::xpyHeavyQuarkResidualNorm(), yp, and quda::blas::zero().

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Member Data Documentation

init

bool quda::BiCGstab::init

private

Definition at line 716 of file invert_quda.h.

Referenced by operator()(), and ~BiCGstab().

mat

DiracMatrix& quda::BiCGstab::mat

private

Definition at line 710 of file invert_quda.h.

Referenced by operator()().

matPrecon

const DiracMatrix& quda::BiCGstab::matPrecon

private

Definition at line 712 of file invert_quda.h.

Referenced by operator()().

matSloppy

const DiracMatrix& quda::BiCGstab::matSloppy

private

Definition at line 711 of file invert_quda.h.

Referenced by operator()().

pp

ColorSpinorField * quda::BiCGstab::pp

private

Definition at line 715 of file invert_quda.h.

Referenced by operator()(), and ~BiCGstab().

rp

ColorSpinorField * quda::BiCGstab::rp

private

Definition at line 715 of file invert_quda.h.

Referenced by operator()(), and ~BiCGstab().

tmpp

ColorSpinorField * quda::BiCGstab::tmpp

private

Definition at line 715 of file invert_quda.h.

Referenced by operator()(), and ~BiCGstab().

tp

ColorSpinorField * quda::BiCGstab::tp

private

Definition at line 715 of file invert_quda.h.

Referenced by operator()(), and ~BiCGstab().

vp

ColorSpinorField * quda::BiCGstab::vp

private

Definition at line 715 of file invert_quda.h.

Referenced by operator()(), and ~BiCGstab().

yp

ColorSpinorField* quda::BiCGstab::yp

private

Definition at line 715 of file invert_quda.h.

Referenced by operator()(), and ~BiCGstab().

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The documentation for this class was generated from the following files:

• include/invert_quda.h
• lib/inv_bicgstab_quda.cpp